257929280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1019}}^1$

素因数の和:1156

約数の個数: 112

約数和(自身を含む): 708842880

約数和(自身を除く): 450913600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 113, 140, 160, 224, 226, 280, 320, 448, 452, 560, 565, 791, 904, 1019, 1120, 1130, 1582, 1808, 2038, 2240, 2260, 3164, 3616, 3955, 4076, 4520, 5095, 6328, 7133, 7232, 7910, 8152, 9040, 10190, 12656, 14266, 15820, 16304, 18080, 20380, 25312, 28532, 31640, 32608, 35665, 36160, 40760, 50624, 57064, 63280, 65216, 71330, 81520, 114128, 115147, 126560, 142660, 163040, 228256, 230294, 253120, 285320, 326080, 456512, 460588, 570640, 575735, 806029, 921176, 1141280, 1151470, 1612058, 1842352, 2282560, 2302940, 3224116, 3684704, 4030145, 4605880, 6448232, 7369408, 8060290, 9211760, 12896464, 16120580, 18423520, 25792928, 32241160, 36847040, 51585856, 64482320, 128964640, 257929280]

約数ペア:

[(1, 257929280), (2, 128964640), (4, 64482320), (5, 51585856), (7, 36847040), (8, 32241160), (10, 25792928), (14, 18423520), (16, 16120580), (20, 12896464), (28, 9211760), (32, 8060290), (35, 7369408), (40, 6448232), (56, 4605880), (64, 4030145), (70, 3684704), (80, 3224116), (112, 2302940), (113, 2282560), (140, 1842352), (160, 1612058), (224, 1151470), (226, 1141280), (280, 921176), (320, 806029), (448, 575735), (452, 570640), (560, 460588), (565, 456512), (791, 326080), (904, 285320), (1019, 253120), (1120, 230294), (1130, 228256), (1582, 163040), (1808, 142660), (2038, 126560), (2240, 115147), (2260, 114128), (3164, 81520), (3616, 71330), (3955, 65216), (4076, 63280), (4520, 57064), (5095, 50624), (6328, 40760), (7133, 36160), (7232, 35665), (7910, 32608), (8152, 31640), (9040, 28532), (10190, 25312), (12656, 20380), (14266, 18080), (15820, 16304)]